397630180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{3323}}^1$

素因数の和:3556

約数の個数: 48

約数和(自身を含む): 866686464

約数和(自身を除く): 469056284

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 193, 310, 386, 620, 772, 965, 1930, 3323, 3860, 5983, 6646, 11966, 13292, 16615, 23932, 29915, 33230, 59830, 66460, 103013, 119660, 206026, 412052, 515065, 641339, 1030130, 1282678, 2060260, 2565356, 3206695, 6413390, 12826780, 19881509, 39763018, 79526036, 99407545, 198815090, 397630180]

約数ペア:

[(1, 397630180), (2, 198815090), (4, 99407545), (5, 79526036), (10, 39763018), (20, 19881509), (31, 12826780), (62, 6413390), (124, 3206695), (155, 2565356), (193, 2060260), (310, 1282678), (386, 1030130), (620, 641339), (772, 515065), (965, 412052), (1930, 206026), (3323, 119660), (3860, 103013), (5983, 66460), (6646, 59830), (11966, 33230), (13292, 29915), (16615, 23932)]